Platelet and bacterial repellence on sulfonated poly(ethylene glycol)-acrylate copolymer surfaces

被引：45
|
作者：
Lee, HJ [1 ]
Park, KD [1 ]
Park, HD [1 ]
Lee, WK [1 ]
Han, DK [1 ]
Kim, SH [1 ]
Kim, YH [1 ]
机构：
[1] Ajou Univ, Dept Mol Sci & Technol, Suwon 441749, South Korea
来源：
COLLOIDS AND SURFACES B-BIOINTERFACES | 2000年 / 18卷 / 3-4期
关键词：
sulfonated-PEG acrylate copolymers; platelet adhesion; bacterial adhesion;
D O I：
10.1016/S0927-7765(99)00161-7
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
Novel poly(ethylene glycol) (PEG) and sulfonated PEG (PEG-SO3) acrylate copolymers have been prepared and characterized to apply as coating and blending materials for biomedical applications. The modified surfaces using acrylate copolymers demonstrated increased hydrophilicity, possibly due to the hypothesized reorientation of PEG/PEG-SO3 chains into water phase. All copolymer surfaces demonstrated less platelet adhesion than control. In addition, platelet adhesion on copolymer surfaces decreased as the chain length of PEG and sulfonated PEG in copolymers increases. All copolymer surfaces reduced bacterial adhesion significantly and the adhesion level differs depending on surfaces as well as media. The obtained results attest to the usefulness of these copolymers as a coating or additive material to improve the blood compatibility of blood contacting devices. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：355 / 370
页数：16
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